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Refer to the Figure

question 53

Multiple Choice

Refer to the figure. Refer to the figure.   The black arrows in part A show the direction of movement of the thoracic cavity and diaphragm.The process shown in part A is represented by the portion of the graph labeled _______, which corresponds to _______. A)  B; exhalation B)  B; contraction of internal intercostal muscles C)  C; inhalation D)  C; contraction of external intercostal muscles E)  C; exhalation The black arrows in part A show the direction of movement of the thoracic cavity and diaphragm.The process shown in part A is represented by the portion of the graph labeled _______, which corresponds to _______.


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